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Annotation of embedaddon/php/ext/ereg/regex/regfree.c, revision 1.1.1.1

1.1       misho       1: #include <sys/types.h>
                      2: #include <stdio.h>
                      3: #include <stdlib.h>
                      4: 
                      5: #include "regex.h"
                      6: #include "utils.h"
                      7: #include "regex2.h"
                      8: 
                      9: /*
                     10:  - regfree - free everything
                     11:  = API_EXPORT(void) regfree(regex_t *);
                     12:  */
                     13: API_EXPORT(void)
                     14: regfree(preg)
                     15: regex_t *preg;
                     16: {
                     17:        register struct re_guts *g;
                     18: 
                     19:        if (preg->re_magic != MAGIC1)   /* oops */
                     20:                return;                 /* nice to complain, but hard */
                     21: 
                     22:        g = preg->re_g;
                     23:        if (g == NULL || g->magic != MAGIC2)    /* oops again */
                     24:                return;
                     25:        preg->re_magic = 0;             /* mark it invalid */
                     26:        g->magic = 0;                   /* mark it invalid */
                     27: 
                     28:        if (g->strip != NULL)
                     29:                free((char *)g->strip);
                     30:        if (g->sets != NULL)
                     31:                free((char *)g->sets);
                     32:        if (g->setbits != NULL)
                     33:                free((char *)g->setbits);
                     34:        if (g->must != NULL)
                     35:                free(g->must);
                     36:        free((char *)g);
                     37: }